Muskox (IMAGE) Max Planck Institute of Geoanthropology Caption Muskox (Ovibos moschatus) - one of numerous herbivores that roam in the enclosure of the Pleistocene Park, nature reserve in northern Sakha Republic, Russia. This ongoing grazing experiment started in 1988 and its aim is to test if large herbivores can restore rich Pleistocene grassland ecosystems. Credit Frank Kienast Usage Restrictions Only use with appropriate credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.